Security update for netty

Announcement ID: SUSE-SU-2022:3617-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2020-11612 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • CVE-2020-11612 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2021-21290 ( SUSE ): 2.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
  • CVE-2021-21290 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • CVE-2021-37136 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2021-37136 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2021-37137 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2021-37137 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • SUSE Manager Server 4.2
  • SUSE Manager Server 4.2 Module 4.2

An update that solves four vulnerabilities can now be installed.

Description:

This update for netty fixes the following issues:

  • CVE-2020-11612: The ZlibDecoders allow for unbounded memory allocation while decoding a byte stream (bsc#1168932)
  • CVE-2021-21290: Information disclosure via the local system temporary directory (bsc#1182103)
  • CVE-2021-37136: Bzip2Decoder doesn't allow setting size restrictions for decompressed data (bsc#1190610)
  • CVE-2021-37137: Snappy frame decoder doesn't restrict the chunk length and may buffer skippable chunks (bsc#1190613)

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • SUSE Manager Server 4.2 Module 4.2
    zypper in -t patch SUSE-SLE-Module-SUSE-Manager-Server-4.2-2022-3617=1

Package List:

  • SUSE Manager Server 4.2 Module 4.2 (noarch)
    • netty-4.1.44.Final-150300.4.3.2

References: